The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-997-2527, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-997-2527 |
| Primary Part Number | BL-8353 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES SHOULDER FACE |
| Shoulder Height | 0.030 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Heat Treatment | AS FABRICATED |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Material Thickness | 0.089 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.625 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.201 INCHES MINIMUM AND 0.207 INCHES MAXIMUM IN |
| Recess Angle | 100.0 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BL-8353 PRIMARY | Breeze-Eastern Llc (USA) |
NSN 5310-00-997-2527 is a Washer,shouldered and Recessed, manufactured by Breeze-Eastern Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-997-2527 has 1 manufacturer part number on file: BL-8353 (Breeze-Eastern Llc).
Key specifications for BL-8353: Surface Finish: 32.0 MICROINCHES SHOULDER FACE; Shoulder Height: 0.030 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN; Heat Treatment: AS FABRICATED; Hardness Rating: 40.0 ROCKWELL C MINIMUM. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.